Exam Algebra 1 With Questions And

Terms in this set (100)Q&A Exam Algebra 1 With Questions And Answers Actual Solutions Correct Answers 2x + 4y = 12 y = x - 3 What is the solution to the system of equations? - (8, -1)

Terms in this set (100)Q&A A ball is thrown straight up into the air. The height, in feet, h(t), of the ball collected over t seconds is shown in the table.Which statement is true? - The maximum height of the ball was 2.5 seconds after it was thrown.A family uses 12,986.64 Swiss francs per year to pay a mortgage that requires US dollars. Approximately how much, in US dollars, does the family spend per month on the mortgage?

• US dollar = 0.9019 Swiss francs
• Swiss franc = 1.11 US dollar - $1,200

A line that passes through the points (-4, 10) and (-1, 5) can be represented by the equation y = -5/3 (x - 2). Which equations also represent this line? Check all that apply. - y = -5/3 x + 10/3 3y = -5x + 10 5x + 3y = 10 A metalsmith is mixing two molten metals, each containing different percentages of silver. The table shows the amount of each molten metal used.

Terms in this set (100)Q&A Which two expressions are both equivalent to t, the total number of grams in the mixture? - (15)(0.75) and 0.7(15 - x) + 0.9x A system of equations has infinitely many solutions. If 2y - 4x = 6 is one of the equations, which could be the other equation? - -y = -2x - 3 Alex has 84 quarters and nickels worth a total of $17.80.Which equation can be used to find q, the number of quarters Alex has? - 0.05(84 - q) + 0.25q = 17.80 At a glance, Kendra believes that the function represented on the graph is linear.How can Kendra determine if the function is actually linear? - She can check to see if the rate of change between the first two ordered pairs is the same as the rate of change between the first and last ordered pairs.Consider the equation 5/3 v + 4 + 1/3 v = 8. What is the resulting equation after the first step in the solution? - 2v + 4 = 8 Consider the function represented by the equation x - y = 3. What is the equation written in function notation, with x as the independent variable? - f(x) = x - 3

Terms in this set (100)Q&A Consider the function represented by the graph.What is the domain of this function? - {x| x >0} Four milliliters of ink A is added to 10 milliliters of ink B, forming a mixture of inks. Ink A contains 10% blue pigment. Ink B contains an unknown percentage of blue pigment. The mixture of the two inks contains 35% blue pigment.What percentage of blue pigment is in ink B? - 45% he amount of potential energy, P, an object has is equal to the product of its mass, m, its height off the ground, h, and the gravitational constant, g.This can be modeled by the equation P = mgh.What is the equivalent equation solved for h? - p/mg =h Heather writes the equations below to represent two lines drawn on the coordinate plane.-6x + 18y = 0 4x - 12y = 20 After applying the linear combination method, Heather arrived at the equation 0 = 60. What conclusion can be drawn about the system of